180430-N-RM689-0230 TRINCOMALEE, Sri Lanka (April 30, 2018) Surgical staff assigned to Military Sealift Command hospital ship USNS Mercy (T-AH 19) for Pacific Partnership 2018 (PP18) and Sri Lankan medical professionals check the placement of a surgical pin during a distal femur open reduction internal fixation surgery aboard Mercy during the Sri Lanka mission stop. PP18’s mission is to work collectively with host and partner nations to enhance regional interoperability and disaster response capabilities, increase stability and security in the region, and foster new and enduring friendships across the Indo-Pacific Region. Pacific Partnership, now in its 13th iteration, is the largest annual multinational humanitarian assistance and disaster relief preparedness mission conducted in the Indo-Pacific. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kelsey L. Adams/Released)